process {
    withName: BWA_MEM_HUMAN {
        ext.prefix = "human"
        ext.args2 = '-n'
    }
    withName: BWA_MEM_COV2 {
        ext.prefix = "cov2"
        ext.args2 = '-n'
    }
    withName: BAMCMP {
        ext.args = '-s "as"'
    }
}
